In China, research of this gas-film lubrication theory is not yet perfect, and the research of triturating detection device using the theory is yet in blank.

 
  • 在我国,对于气膜润滑理论的研究尚不完善,利用气膜润滑理论研制检测装置的工作尚处于空白。
今日热词
目录 附录 查词历史